KR102117580B1 - 본드 자석용 페라이트 분말과 이의 제조 방법, 및 페라이트계 본드 자석 - Google Patents
본드 자석용 페라이트 분말과 이의 제조 방법, 및 페라이트계 본드 자석 Download PDFInfo
- Publication number
- KR102117580B1 KR102117580B1 KR1020177011258A KR20177011258A KR102117580B1 KR 102117580 B1 KR102117580 B1 KR 102117580B1 KR 1020177011258 A KR1020177011258 A KR 1020177011258A KR 20177011258 A KR20177011258 A KR 20177011258A KR 102117580 B1 KR102117580 B1 KR 102117580B1
- Authority
- KR
- South Korea
- Prior art keywords
- powder
- ferrite
- bond magnet
- ferrite powder
- mass
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
- H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
- H01F1/113—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0036—Mixed oxides or hydroxides containing one alkaline earth metal, magnesium or lead
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
- H01F1/0311—Compounds
- H01F1/0313—Oxidic compounds
- H01F1/0315—Ferrites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
- H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
- H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
- H01F1/111—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles with a non-magnetic core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
- C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
Landscapes
- Power Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2014-202602 | 2014-09-30 | ||
JP2014202602 | 2014-09-30 | ||
JPJP-P-2015-193725 | 2015-09-30 | ||
PCT/JP2015/077876 WO2016052678A1 (fr) | 2014-09-30 | 2015-09-30 | Poudre de ferrite pour aimant lié, son procédé de fabrication et aimant lié à base de ferrite |
JP2015193725A JP6482445B2 (ja) | 2014-09-30 | 2015-09-30 | ボンド磁石用フェライト粉末とその製造方法、並びにフェライト系ボンド磁石 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20170061150A KR20170061150A (ko) | 2017-06-02 |
KR102117580B1 true KR102117580B1 (ko) | 2020-06-01 |
Family
ID=55867407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020177011258A KR102117580B1 (ko) | 2014-09-30 | 2015-09-30 | 본드 자석용 페라이트 분말과 이의 제조 방법, 및 페라이트계 본드 자석 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10665371B2 (fr) |
EP (1) | EP3203484A4 (fr) |
JP (1) | JP6482445B2 (fr) |
KR (1) | KR102117580B1 (fr) |
CN (1) | CN106688056B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7082033B2 (ja) | 2017-11-13 | 2022-06-07 | Dowaエレクトロニクス株式会社 | ボンド磁石用フェライト粉末およびその製造方法 |
WO2019093508A1 (fr) | 2017-11-13 | 2019-05-16 | Dowaエレクトロニクス株式会社 | Poudre de ferrite pour des aimants liés et son procédé de production |
CN108285348B (zh) * | 2018-02-08 | 2020-06-26 | 安徽盛美格新材料有限公司 | 一种干压异性永磁铁氧体用磁粉的制造方法 |
JP7405648B2 (ja) | 2020-03-04 | 2023-12-26 | Dowaエレクトロニクス株式会社 | ボンド磁石用フェライト粉末およびその製造方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004327669A (ja) * | 2003-04-24 | 2004-11-18 | Dowa Mining Co Ltd | ボンド磁石およびボンド磁石用フェライト磁性粉 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3257936B2 (ja) * | 1995-10-11 | 2002-02-18 | 日本弁柄工業株式会社 | ボンド磁石用フエライト粉末およびこれを用いたボンド磁石 |
KR0177365B1 (ko) * | 1996-04-30 | 1999-05-15 | 신용진 | 스트론튬 페라이트 플라스틱 자석의 제조 방법 |
JP4697366B2 (ja) * | 2000-12-07 | 2011-06-08 | 戸田工業株式会社 | ボンド磁石用ストロンチウムフェライト粒子粉末及び該ストロンチウムフェライト粒子粉末を用いたボンド磁石 |
JP4806798B2 (ja) * | 2006-02-13 | 2011-11-02 | Dowaエレクトロニクス株式会社 | ボンド磁石用フェライト磁性粉およびその製造方法、並びにボンド磁石 |
JP4877513B2 (ja) * | 2007-03-14 | 2012-02-15 | 戸田工業株式会社 | ボンド磁石用フェライト粒子粉末、ボンド磁石用樹脂組成物ならびにそれらを用いた成型体 |
KR101385869B1 (ko) * | 2007-03-30 | 2014-04-17 | 도다 고교 가부시끼가이샤 | 본드 자석용 페라이트 입자 분말, 본드 자석용 수지 조성물및 이들을 이용한 성형체 |
JP5578777B2 (ja) * | 2007-09-28 | 2014-08-27 | Dowaエレクトロニクス株式会社 | ボンド磁石用フェライト粉末およびその製造方法、並びに、これを用いたボンド磁石 |
WO2010117070A1 (fr) * | 2009-04-09 | 2010-10-14 | Dowaエレクトロニクス株式会社 | Poudre de ferrite pour aimant lié, son procédé de fabrication et aimant lié l'utilisant |
KR102269998B1 (ko) * | 2013-10-02 | 2021-06-25 | 도다 고교 가부시끼가이샤 | 본드 자석용 페라이트 입자 분말, 본드 자석용 수지 조성물 및 그것들을 사용한 성형체 |
-
2015
- 2015-09-30 KR KR1020177011258A patent/KR102117580B1/ko active IP Right Grant
- 2015-09-30 US US15/515,902 patent/US10665371B2/en active Active
- 2015-09-30 CN CN201580048052.9A patent/CN106688056B/zh active Active
- 2015-09-30 JP JP2015193725A patent/JP6482445B2/ja active Active
- 2015-09-30 EP EP15845995.8A patent/EP3203484A4/fr not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004327669A (ja) * | 2003-04-24 | 2004-11-18 | Dowa Mining Co Ltd | ボンド磁石およびボンド磁石用フェライト磁性粉 |
Also Published As
Publication number | Publication date |
---|---|
JP2016072636A (ja) | 2016-05-09 |
US10665371B2 (en) | 2020-05-26 |
JP6482445B2 (ja) | 2019-03-13 |
EP3203484A4 (fr) | 2018-06-13 |
CN106688056A (zh) | 2017-05-17 |
KR20170061150A (ko) | 2017-06-02 |
EP3203484A1 (fr) | 2017-08-09 |
US20170301440A1 (en) | 2017-10-19 |
CN106688056B (zh) | 2019-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5651368B2 (ja) | ボンド磁石用フェライト粉末の製造方法 | |
KR101515251B1 (ko) | 본드 자석용 페라이트 분말 및 이의 제조 방법, 및 이를 이용한 본드 자석 | |
JP6947490B2 (ja) | ボンド磁石用フェライト粉末とその製造方法並びにフェライト系ボンド磁石 | |
KR102117580B1 (ko) | 본드 자석용 페라이트 분말과 이의 제조 방법, 및 페라이트계 본드 자석 | |
KR102016708B1 (ko) | 본드 자석용 페라이트 분말과 이의 제조방법 및 페라이트계 본드 자석 | |
JP6797735B2 (ja) | ボンド磁石用フェライト粉末およびその製造方法 | |
JP7082033B2 (ja) | ボンド磁石用フェライト粉末およびその製造方法 | |
KR101971382B1 (ko) | 본드 자석용 페라이트 분말과 이의 제조방법 및 페라이트계 본드 자석 | |
JP2021141151A (ja) | ボンド磁石用フェライト粉末およびその製造方法 | |
WO2016136701A1 (fr) | Poudre de ferrite pour aimant lié, son procédé de fabrication, et aimant lié à base de ferrite | |
JP5774146B2 (ja) | ボンド磁石用フェライト粉末およびこれを用いたボンド磁石 | |
WO2016052681A1 (fr) | Poudre de ferrite pour aimant lié, son procédé de production, et aimant lié à base de ferrite | |
WO2016052677A1 (fr) | Poudre de ferrite pour aimant lié, son procédé de production, et aimant lié à base de ferrite | |
WO2016052678A1 (fr) | Poudre de ferrite pour aimant lié, son procédé de fabrication et aimant lié à base de ferrite | |
WO2019093508A1 (fr) | Poudre de ferrite pour des aimants liés et son procédé de production | |
JPH09312211A (ja) | 酸化物永久磁石及びその製造方法 | |
JP2023014477A (ja) | ボンド磁石用フェライト粉末およびその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
AMND | Amendment | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
AMND | Amendment | ||
J201 | Request for trial against refusal decision | ||
J301 | Trial decision |
Free format text: TRIAL NUMBER: 2019101002150; TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20190627 Effective date: 20200413 |
|
GRNO | Decision to grant (after opposition) | ||
GRNT | Written decision to grant |